/*-
 * Copyright (c) 2011 Ondrej Fischer <ondrej.fischer@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#ifndef EXPRESS_DISPATCHER_HPP
#define EXPRESS_DISPATCHER_HPP


#include "thread.hpp"
#include "blockingqueue.hpp"
#include "job.hpp"


namespace express {


    /**
     * Class Dispatcher
     * 
     * The worker thread that dispatches the tasks and performs their processing
     * and dependency propagation
     */
    class Dispatcher : public Thread {
        

    public:

        /**
         * The blocking queue associated with this thread, where from the
         * dispatcher gets the tasks to process.
         */
        BlockingQueue<Job::Task>& queue;

    public:
       
        /**
         * Dispatcher constructor
         */
        Dispatcher(BlockingQueue<Job::Task>& q): queue(q) {}

        /**
         * Implementation of the dispatching loop.
         */
        virtual void run();


    };


}


#endif //EXPRESS_DISPATCHER_HPP